Integrative study of a new cold-seep mussel (Mollusca: Bivalvia) associated with chemosynthetic symbionts in the Marmara Sea

Type Article
Date 2012-09
Language English
Author(s) Ritt Benedicte1, 2, Duperron Sebastien3, 4, Lorion Julien5, Lazar Cassandre6, 7, Sarrazin JozeeORCID1
Affiliation(s) 1 : IFREMER, Ctr Brest, DEEP LEP, F-29280 Plouzane, France.
2 : Temple Univ, Dept Biol, Philadelphia, PA 19122 USA.
3 : Univ Paris 06, F-75005 Paris, France.
4 : UMR 7138 UPMC CNRS IRD MNHN, F-75005 Paris, France.
5 : Japan Marine Sci & Technol Ctr JAMSTEC, Marine Ecosyst Res Dept, Yokosuka, Kanagawa 2370061, Japan.
6 : IFREMER, Ctr Brest, DEEP LM2E, F-29280 Plouzane, France.
7 : Univ N Carolina, Dept Marine Sci, Chapel Hill, NC USA.
Source Deep-sea Research Part I-oceanographic Research Papers (0967-0637) (Pergamon-elsevier Science Ltd), 2012-09 , Vol. 67 , P. 121-132
DOI 10.1016/j.dsr.2012.05.009
WOS© Times Cited 19
Keyword(s) Mytilidae, Idas-like, Cold-seeps, Marmara Sea, Phylogeny, Symbiosis, Stable isotopes
Abstract Recently, small Idas-like mussels have been discovered living on carbonate crusts associated with cold-seeps in the Marmara Sea. These mussels, here referred to as Idas-like nov. sp., differ morphologically and genetically from another species identified as Idas aff. modiolaeformis, living in the same type of ecosystem in the Nile Deep-Sea Fan (eastern Mediterranean Sea). A phylogenetic analysis confirms the distinction between the two species, which belong to highly divergent lineages. Carbon stable isotope values, as well as the detection of thiotroph-related bacteria in the gill tissue, support the presence of a symbiotic, thiotroph-derived nutrition. In contrast, Idas aff. modiolaeformis displays six different types of symbionts. Finally our size-frequency data suggest that the recruitment is continuous in the examined area. The present study extends the documented distribution of symbiont-bearing mussels to the Marmara Sea, and contributes to the characterisation of biological communities in this recently explored area. (c) 2012 Elsevier Ltd. All rights reserved.
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Ritt Benedicte, Duperron Sebastien, Lorion Julien, Lazar Cassandre, Sarrazin Jozee (2012). Integrative study of a new cold-seep mussel (Mollusca: Bivalvia) associated with chemosynthetic symbionts in the Marmara Sea. Deep-sea Research Part I-oceanographic Research Papers, 67, 121-132. Publisher's official version : , Open Access version :